| 词汇 | blackhole |
| 释义 | black hole noun [countable, usually singular] something that costs you a lot of money or effort but does not provide any real benefit 黑洞(成本很高却无效益可言)◆the company viewed the venture as a financial black hole. 公司认为这项投资是财务上的一个黑洞。 |
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